Enable highdpi for all executables

(cherry picked from commit 12d8adef)

app/main.cpp

@@ -21,6 +21,8 @@
 int main(int argc, char* argv[])
 {
     QIcon::setFallbackThemeName(QStringLiteral("breeze"));
+    QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
 
     QApplication app(argc, argv);
     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("kdeconnect")));

daemon/kdeconnectd.cpp

@@ -127,9 +127,10 @@ static void detectPlatform(int argc, char **argv)
 int main(int argc, char* argv[])
 {
     detectPlatform(argc, argv);
+    QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
 
     QApplication app(argc, argv);
-    app.setAttribute(Qt::AA_UseHighDpiPixmaps, true);
     KAboutData aboutData(
         QStringLiteral("kdeconnect.daemon"),
         i18n("KDE Connect Daemon"),

indicator/main.cpp

@@ -33,9 +33,10 @@
 int main(int argc, char** argv)
 {
     QIcon::setFallbackThemeName(QStringLiteral("breeze"));
+    QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
 
     QApplication app(argc, argv);
-    app.setAttribute(Qt::AA_UseHighDpiPixmaps, true);
     KAboutData about(QStringLiteral("kdeconnect-indicator"),
                      i18n("KDE Connect Indicator"),
                      QStringLiteral(KDECONNECT_VERSION_STRING),

settings/main.cpp

@@ -18,6 +18,8 @@
 int main(int argc, char** argv)
 {
     QIcon::setFallbackThemeName(QStringLiteral("breeze"));
+    QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
 
     QApplication app(argc, argv);
     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("kdeconnect")));

smsapp/main.cpp

@@ -28,7 +28,8 @@ int main(int argc, char *argv[])
 {
     QIcon::setFallbackThemeName(QStringLiteral("breeze"));
 
-    QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+    QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
     QApplication app(argc, argv);
     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("kdeconnect")));
     KAboutData aboutData(QStringLiteral("kdeconnect.sms"),

urlhandler/kdeconnect-handler.cpp

@@ -36,7 +36,8 @@
 
 int main(int argc, char** argv)
 {
-    QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+    QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
     QApplication app(argc, argv);
     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("kdeconnect")));
     const QString description = i18n("KDE Connect URL handler");